| Range From | Range To | Organisation |
|---|---|---|
| 2001:920:18bf:4900:: | 2001:920:18bf:49ff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:4a00:: | 2001:920:18bf:4aff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:4b00:: | 2001:920:18bf:4bff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:4c00:: | 2001:920:18bf:4cff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:4d00:: | 2001:920:18bf:4dff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:4e00:: | 2001:920:18bf:4eff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:4f00:: | 2001:920:18bf:4fff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:5000:: | 2001:920:18bf:50ff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:5100:: | 2001:920:18bf:51ff:ffff:ffff:ffff:ffff | |
| 2001:920:18bf:5200:: | 2001:920:18bf:52ff:ffff:ffff:ffff:ffff |